|
|
@@ -1,1731 +0,0 @@
|
|
|
-VERSION = 4
|
|
|
-PATCHLEVEL = 12
|
|
|
-SUBLEVEL = 8
|
|
|
-EXTRAVERSION =
|
|
|
-NAME = Fearless Coyote
|
|
|
-
|
|
|
-# *DOCUMENTATION*
|
|
|
-# To see a list of typical targets execute "make help"
|
|
|
-# More info can be located in ./README
|
|
|
-# Comments in this file are targeted only to the developer, do not
|
|
|
-# expect to learn how to build the kernel reading this file.
|
|
|
-
|
|
|
-# o Do not use make's built-in rules and variables
|
|
|
-# (this increases performance and avoids hard-to-debug behaviour);
|
|
|
-# o Look for make include files relative to root of kernel src
|
|
|
-MAKEFLAGS += -rR --include-dir=$(CURDIR)
|
|
|
-
|
|
|
-# Avoid funny character set dependencies
|
|
|
-unexport LC_ALL
|
|
|
-LC_COLLATE=C
|
|
|
-LC_NUMERIC=C
|
|
|
-export LC_COLLATE LC_NUMERIC
|
|
|
-
|
|
|
-# Avoid interference with shell env settings
|
|
|
-unexport GREP_OPTIONS
|
|
|
-
|
|
|
-# We are using a recursive build, so we need to do a little thinking
|
|
|
-# to get the ordering right.
|
|
|
-#
|
|
|
-# Most importantly: sub-Makefiles should only ever modify files in
|
|
|
-# their own directory. If in some directory we have a dependency on
|
|
|
-# a file in another dir (which doesn't happen often, but it's often
|
|
|
-# unavoidable when linking the built-in.o targets which finally
|
|
|
-# turn into vmlinux), we will call a sub make in that other dir, and
|
|
|
-# after that we are sure that everything which is in that other dir
|
|
|
-# is now up to date.
|
|
|
-#
|
|
|
-# The only cases where we need to modify files which have global
|
|
|
-# effects are thus separated out and done before the recursive
|
|
|
-# descending is started. They are now explicitly listed as the
|
|
|
-# prepare rule.
|
|
|
-
|
|
|
-# Beautify output
|
|
|
-# ---------------------------------------------------------------------------
|
|
|
-#
|
|
|
-# Normally, we echo the whole command before executing it. By making
|
|
|
-# that echo $($(quiet)$(cmd)), we now have the possibility to set
|
|
|
-# $(quiet) to choose other forms of output instead, e.g.
|
|
|
-#
|
|
|
-# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
|
|
|
-# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
|
|
|
-#
|
|
|
-# If $(quiet) is empty, the whole command will be printed.
|
|
|
-# If it is set to "quiet_", only the short version will be printed.
|
|
|
-# If it is set to "silent_", nothing will be printed at all, since
|
|
|
-# the variable $(silent_cmd_cc_o_c) doesn't exist.
|
|
|
-#
|
|
|
-# A simple variant is to prefix commands with $(Q) - that's useful
|
|
|
-# for commands that shall be hidden in non-verbose mode.
|
|
|
-#
|
|
|
-# $(Q)ln $@ :<
|
|
|
-#
|
|
|
-# If KBUILD_VERBOSE equals 0 then the above command will be hidden.
|
|
|
-# If KBUILD_VERBOSE equals 1 then the above command is displayed.
|
|
|
-#
|
|
|
-# To put more focus on warnings, be less verbose as default
|
|
|
-# Use 'make V=1' to see the full commands
|
|
|
-
|
|
|
-ifeq ("$(origin V)", "command line")
|
|
|
- KBUILD_VERBOSE = $(V)
|
|
|
-endif
|
|
|
-ifndef KBUILD_VERBOSE
|
|
|
- KBUILD_VERBOSE = 0
|
|
|
-endif
|
|
|
-
|
|
|
-ifeq ($(KBUILD_VERBOSE),1)
|
|
|
- quiet =
|
|
|
- Q =
|
|
|
-else
|
|
|
- quiet=quiet_
|
|
|
- Q = @
|
|
|
-endif
|
|
|
-
|
|
|
-# If the user is running make -s (silent mode), suppress echoing of
|
|
|
-# commands
|
|
|
-
|
|
|
-ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4
|
|
|
-ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),)
|
|
|
- quiet=silent_
|
|
|
- tools_silent=s
|
|
|
-endif
|
|
|
-else # make-3.8x
|
|
|
-ifneq ($(filter s% -s%,$(MAKEFLAGS)),)
|
|
|
- quiet=silent_
|
|
|
- tools_silent=-s
|
|
|
-endif
|
|
|
-endif
|
|
|
-
|
|
|
-export quiet Q KBUILD_VERBOSE
|
|
|
-
|
|
|
-# kbuild supports saving output files in a separate directory.
|
|
|
-# To locate output files in a separate directory two syntaxes are supported.
|
|
|
-# In both cases the working directory must be the root of the kernel src.
|
|
|
-# 1) O=
|
|
|
-# Use "make O=dir/to/store/output/files/"
|
|
|
-#
|
|
|
-# 2) Set KBUILD_OUTPUT
|
|
|
-# Set the environment variable KBUILD_OUTPUT to point to the directory
|
|
|
-# where the output files shall be placed.
|
|
|
-# export KBUILD_OUTPUT=dir/to/store/output/files/
|
|
|
-# make
|
|
|
-#
|
|
|
-# The O= assignment takes precedence over the KBUILD_OUTPUT environment
|
|
|
-# variable.
|
|
|
-
|
|
|
-# KBUILD_SRC is set on invocation of make in OBJ directory
|
|
|
-# KBUILD_SRC is not intended to be used by the regular user (for now)
|
|
|
-ifeq ($(KBUILD_SRC),)
|
|
|
-
|
|
|
-# OK, Make called in directory where kernel src resides
|
|
|
-# Do we want to locate output files in a separate directory?
|
|
|
-ifeq ("$(origin O)", "command line")
|
|
|
- KBUILD_OUTPUT := $(O)
|
|
|
-endif
|
|
|
-
|
|
|
-# That's our default target when none is given on the command line
|
|
|
-PHONY := _all
|
|
|
-_all:
|
|
|
-
|
|
|
-# Cancel implicit rules on top Makefile
|
|
|
-$(CURDIR)/Makefile Makefile: ;
|
|
|
-
|
|
|
-ifneq ($(words $(subst :, ,$(CURDIR))), 1)
|
|
|
- $(error main directory cannot contain spaces nor colons)
|
|
|
-endif
|
|
|
-
|
|
|
-ifneq ($(KBUILD_OUTPUT),)
|
|
|
-# Invoke a second make in the output directory, passing relevant variables
|
|
|
-# check that the output directory actually exists
|
|
|
-saved-output := $(KBUILD_OUTPUT)
|
|
|
-KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \
|
|
|
- && /bin/pwd)
|
|
|
-$(if $(KBUILD_OUTPUT),, \
|
|
|
- $(error failed to create output directory "$(saved-output)"))
|
|
|
-
|
|
|
-PHONY += $(MAKECMDGOALS) sub-make
|
|
|
-
|
|
|
-$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make
|
|
|
- @:
|
|
|
-
|
|
|
-sub-make:
|
|
|
- $(Q)$(MAKE) -C $(KBUILD_OUTPUT) KBUILD_SRC=$(CURDIR) \
|
|
|
- -f $(CURDIR)/Makefile $(filter-out _all sub-make,$(MAKECMDGOALS))
|
|
|
-
|
|
|
-# Leave processing to above invocation of make
|
|
|
-skip-makefile := 1
|
|
|
-endif # ifneq ($(KBUILD_OUTPUT),)
|
|
|
-endif # ifeq ($(KBUILD_SRC),)
|
|
|
-
|
|
|
-# We process the rest of the Makefile if this is the final invocation of make
|
|
|
-ifeq ($(skip-makefile),)
|
|
|
-
|
|
|
-# Do not print "Entering directory ...",
|
|
|
-# but we want to display it when entering to the output directory
|
|
|
-# so that IDEs/editors are able to understand relative filenames.
|
|
|
-MAKEFLAGS += --no-print-directory
|
|
|
-
|
|
|
-# Call a source code checker (by default, "sparse") as part of the
|
|
|
-# C compilation.
|
|
|
-#
|
|
|
-# Use 'make C=1' to enable checking of only re-compiled files.
|
|
|
-# Use 'make C=2' to enable checking of *all* source files, regardless
|
|
|
-# of whether they are re-compiled or not.
|
|
|
-#
|
|
|
-# See the file "Documentation/dev-tools/sparse.rst" for more details,
|
|
|
-# including where to get the "sparse" utility.
|
|
|
-
|
|
|
-ifeq ("$(origin C)", "command line")
|
|
|
- KBUILD_CHECKSRC = $(C)
|
|
|
-endif
|
|
|
-ifndef KBUILD_CHECKSRC
|
|
|
- KBUILD_CHECKSRC = 0
|
|
|
-endif
|
|
|
-
|
|
|
-# Use make M=dir to specify directory of external module to build
|
|
|
-# Old syntax make ... SUBDIRS=$PWD is still supported
|
|
|
-# Setting the environment variable KBUILD_EXTMOD take precedence
|
|
|
-ifdef SUBDIRS
|
|
|
- KBUILD_EXTMOD ?= $(SUBDIRS)
|
|
|
-endif
|
|
|
-
|
|
|
-ifeq ("$(origin M)", "command line")
|
|
|
- KBUILD_EXTMOD := $(M)
|
|
|
-endif
|
|
|
-
|
|
|
-# If building an external module we do not care about the all: rule
|
|
|
-# but instead _all depend on modules
|
|
|
-PHONY += all
|
|
|
-ifeq ($(KBUILD_EXTMOD),)
|
|
|
-_all: all
|
|
|
-else
|
|
|
-_all: modules
|
|
|
-endif
|
|
|
-
|
|
|
-ifeq ($(KBUILD_SRC),)
|
|
|
- # building in the source tree
|
|
|
- srctree := .
|
|
|
-else
|
|
|
- ifeq ($(KBUILD_SRC)/,$(dir $(CURDIR)))
|
|
|
- # building in a subdirectory of the source tree
|
|
|
- srctree := ..
|
|
|
- else
|
|
|
- srctree := $(KBUILD_SRC)
|
|
|
- endif
|
|
|
-endif
|
|
|
-objtree := .
|
|
|
-src := $(srctree)
|
|
|
-obj := $(objtree)
|
|
|
-
|
|
|
-VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD))
|
|
|
-
|
|
|
-export srctree objtree VPATH
|
|
|
-
|
|
|
-# SUBARCH tells the usermode build what the underlying arch is. That is set
|
|
|
-# first, and if a usermode build is happening, the "ARCH=um" on the command
|
|
|
-# line overrides the setting of ARCH below. If a native build is happening,
|
|
|
-# then ARCH is assigned, getting whatever value it gets normally, and
|
|
|
-# SUBARCH is subsequently ignored.
|
|
|
-
|
|
|
-SUBARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \
|
|
|
- -e s/sun4u/sparc64/ \
|
|
|
- -e s/arm.*/arm/ -e s/sa110/arm/ \
|
|
|
- -e s/s390x/s390/ -e s/parisc64/parisc/ \
|
|
|
- -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
|
|
|
- -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ )
|
|
|
-
|
|
|
-# Cross compiling and selecting different set of gcc/bin-utils
|
|
|
-# ---------------------------------------------------------------------------
|
|
|
-#
|
|
|
-# When performing cross compilation for other architectures ARCH shall be set
|
|
|
-# to the target architecture. (See arch/* for the possibilities).
|
|
|
-# ARCH can be set during invocation of make:
|
|
|
-# make ARCH=ia64
|
|
|
-# Another way is to have ARCH set in the environment.
|
|
|
-# The default ARCH is the host where make is executed.
|
|
|
-
|
|
|
-# CROSS_COMPILE specify the prefix used for all executables used
|
|
|
-# during compilation. Only gcc and related bin-utils executables
|
|
|
-# are prefixed with $(CROSS_COMPILE).
|
|
|
-# CROSS_COMPILE can be set on the command line
|
|
|
-# make CROSS_COMPILE=ia64-linux-
|
|
|
-# Alternatively CROSS_COMPILE can be set in the environment.
|
|
|
-# A third alternative is to store a setting in .config so that plain
|
|
|
-# "make" in the configured kernel build directory always uses that.
|
|
|
-# Default value for CROSS_COMPILE is not to prefix executables
|
|
|
-# Note: Some architectures assign CROSS_COMPILE in their arch/*/Makefile
|
|
|
-ARCH ?= $(SUBARCH)
|
|
|
-CROSS_COMPILE ?= $(CONFIG_CROSS_COMPILE:"%"=%)
|
|
|
-
|
|
|
-# Architecture as present in compile.h
|
|
|
-UTS_MACHINE := $(ARCH)
|
|
|
-SRCARCH := $(ARCH)
|
|
|
-
|
|
|
-# Additional ARCH settings for x86
|
|
|
-ifeq ($(ARCH),i386)
|
|
|
- SRCARCH := x86
|
|
|
-endif
|
|
|
-ifeq ($(ARCH),x86_64)
|
|
|
- SRCARCH := x86
|
|
|
-endif
|
|
|
-
|
|
|
-# Additional ARCH settings for sparc
|
|
|
-ifeq ($(ARCH),sparc32)
|
|
|
- SRCARCH := sparc
|
|
|
-endif
|
|
|
-ifeq ($(ARCH),sparc64)
|
|
|
- SRCARCH := sparc
|
|
|
-endif
|
|
|
-
|
|
|
-# Additional ARCH settings for sh
|
|
|
-ifeq ($(ARCH),sh64)
|
|
|
- SRCARCH := sh
|
|
|
-endif
|
|
|
-
|
|
|
-# Additional ARCH settings for tile
|
|
|
-ifeq ($(ARCH),tilepro)
|
|
|
- SRCARCH := tile
|
|
|
-endif
|
|
|
-ifeq ($(ARCH),tilegx)
|
|
|
- SRCARCH := tile
|
|
|
-endif
|
|
|
-
|
|
|
-# Where to locate arch specific headers
|
|
|
-hdr-arch := $(SRCARCH)
|
|
|
-
|
|
|
-KCONFIG_CONFIG ?= .config
|
|
|
-export KCONFIG_CONFIG
|
|
|
-
|
|
|
-# SHELL used by kbuild
|
|
|
-CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
|
|
|
- else if [ -x /bin/bash ]; then echo /bin/bash; \
|
|
|
- else echo sh; fi ; fi)
|
|
|
-
|
|
|
-HOSTCC = gcc
|
|
|
-HOSTCXX = g++
|
|
|
-HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu89
|
|
|
-HOSTCXXFLAGS = -O2
|
|
|
-
|
|
|
-ifeq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1)
|
|
|
-HOSTCFLAGS += -Wno-unused-value -Wno-unused-parameter \
|
|
|
- -Wno-missing-field-initializers -fno-delete-null-pointer-checks
|
|
|
-endif
|
|
|
-
|
|
|
-# Decide whether to build built-in, modular, or both.
|
|
|
-# Normally, just do built-in.
|
|
|
-
|
|
|
-KBUILD_MODULES :=
|
|
|
-KBUILD_BUILTIN := 1
|
|
|
-
|
|
|
-# If we have only "make modules", don't compile built-in objects.
|
|
|
-# When we're building modules with modversions, we need to consider
|
|
|
-# the built-in objects during the descend as well, in order to
|
|
|
-# make sure the checksums are up to date before we record them.
|
|
|
-
|
|
|
-ifeq ($(MAKECMDGOALS),modules)
|
|
|
- KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1)
|
|
|
-endif
|
|
|
-
|
|
|
-# If we have "make <whatever> modules", compile modules
|
|
|
-# in addition to whatever we do anyway.
|
|
|
-# Just "make" or "make all" shall build modules as well
|
|
|
-
|
|
|
-ifneq ($(filter all _all modules,$(MAKECMDGOALS)),)
|
|
|
- KBUILD_MODULES := 1
|
|
|
-endif
|
|
|
-
|
|
|
-ifeq ($(MAKECMDGOALS),)
|
|
|
- KBUILD_MODULES := 1
|
|
|
-endif
|
|
|
-
|
|
|
-export KBUILD_MODULES KBUILD_BUILTIN
|
|
|
-export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD
|
|
|
-
|
|
|
-# We need some generic definitions (do not try to remake the file).
|
|
|
-scripts/Kbuild.include: ;
|
|
|
-include scripts/Kbuild.include
|
|
|
-
|
|
|
-# Make variables (CC, etc...)
|
|
|
-AS = $(CROSS_COMPILE)as
|
|
|
-LD = $(CROSS_COMPILE)ld
|
|
|
-CC = $(CROSS_COMPILE)gcc
|
|
|
-CPP = $(CC) -E
|
|
|
-AR = $(CROSS_COMPILE)ar
|
|
|
-NM = $(CROSS_COMPILE)nm
|
|
|
-STRIP = $(CROSS_COMPILE)strip
|
|
|
-OBJCOPY = $(CROSS_COMPILE)objcopy
|
|
|
-OBJDUMP = $(CROSS_COMPILE)objdump
|
|
|
-AWK = awk
|
|
|
-GENKSYMS = scripts/genksyms/genksyms
|
|
|
-INSTALLKERNEL := installkernel
|
|
|
-DEPMOD = /sbin/depmod
|
|
|
-PERL = perl
|
|
|
-PYTHON = python
|
|
|
-CHECK = sparse
|
|
|
-
|
|
|
-CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
|
|
|
- -Wbitwise -Wno-return-void $(CF)
|
|
|
-NOSTDINC_FLAGS =
|
|
|
-CFLAGS_MODULE =
|
|
|
-AFLAGS_MODULE =
|
|
|
-LDFLAGS_MODULE =
|
|
|
-CFLAGS_KERNEL =
|
|
|
-AFLAGS_KERNEL =
|
|
|
-LDFLAGS_vmlinux =
|
|
|
-CFLAGS_GCOV := -fprofile-arcs -ftest-coverage -fno-tree-loop-im $(call cc-disable-warning,maybe-uninitialized,)
|
|
|
-CFLAGS_KCOV := $(call cc-option,-fsanitize-coverage=trace-pc,)
|
|
|
-
|
|
|
-
|
|
|
-# Use USERINCLUDE when you must reference the UAPI directories only.
|
|
|
-USERINCLUDE := \
|
|
|
- -I$(srctree)/arch/$(hdr-arch)/include/uapi \
|
|
|
- -I$(objtree)/arch/$(hdr-arch)/include/generated/uapi \
|
|
|
- -I$(srctree)/include/uapi \
|
|
|
- -I$(objtree)/include/generated/uapi \
|
|
|
- -include $(srctree)/include/linux/kconfig.h
|
|
|
-
|
|
|
-# Use LINUXINCLUDE when you must reference the include/ directory.
|
|
|
-# Needed to be compatible with the O= option
|
|
|
-LINUXINCLUDE := \
|
|
|
- -I$(srctree)/arch/$(hdr-arch)/include \
|
|
|
- -I$(objtree)/arch/$(hdr-arch)/include/generated/uapi \
|
|
|
- -I$(objtree)/arch/$(hdr-arch)/include/generated \
|
|
|
- $(if $(KBUILD_SRC), -I$(srctree)/include) \
|
|
|
- -I$(objtree)/include
|
|
|
-
|
|
|
-LINUXINCLUDE += $(filter-out $(LINUXINCLUDE),$(USERINCLUDE))
|
|
|
-
|
|
|
-KBUILD_CPPFLAGS := -D__KERNEL__
|
|
|
-
|
|
|
-KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
|
|
|
- -fno-strict-aliasing -fno-common \
|
|
|
- -Werror-implicit-function-declaration \
|
|
|
- -Wno-format-security \
|
|
|
- -std=gnu89 $(call cc-option,-fno-PIE)
|
|
|
-
|
|
|
-
|
|
|
-KBUILD_AFLAGS_KERNEL :=
|
|
|
-KBUILD_CFLAGS_KERNEL :=
|
|
|
-KBUILD_AFLAGS := -D__ASSEMBLY__ $(call cc-option,-fno-PIE)
|
|
|
-KBUILD_AFLAGS_MODULE := -DMODULE
|
|
|
-KBUILD_CFLAGS_MODULE := -DMODULE
|
|
|
-KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds
|
|
|
-
|
|
|
-# Read KERNELRELEASE from include/config/kernel.release (if it exists)
|
|
|
-KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null)
|
|
|
-KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
|
|
|
-
|
|
|
-export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION
|
|
|
-export ARCH SRCARCH CONFIG_SHELL HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC
|
|
|
-export CPP AR NM STRIP OBJCOPY OBJDUMP
|
|
|
-export MAKE AWK GENKSYMS INSTALLKERNEL PERL PYTHON UTS_MACHINE
|
|
|
-export HOSTCXX HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS
|
|
|
-
|
|
|
-export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS
|
|
|
-export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE CFLAGS_GCOV CFLAGS_KCOV CFLAGS_KASAN CFLAGS_UBSAN
|
|
|
-export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE
|
|
|
-export KBUILD_AFLAGS_MODULE KBUILD_CFLAGS_MODULE KBUILD_LDFLAGS_MODULE
|
|
|
-export KBUILD_AFLAGS_KERNEL KBUILD_CFLAGS_KERNEL
|
|
|
-export KBUILD_ARFLAGS
|
|
|
-
|
|
|
-# When compiling out-of-tree modules, put MODVERDIR in the module
|
|
|
-# tree rather than in the kernel tree. The kernel tree might
|
|
|
-# even be read-only.
|
|
|
-export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions
|
|
|
-
|
|
|
-# Files to ignore in find ... statements
|
|
|
-
|
|
|
-export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o \
|
|
|
- -name CVS -o -name .pc -o -name .hg -o -name .git \) \
|
|
|
- -prune -o
|
|
|
-export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \
|
|
|
- --exclude CVS --exclude .pc --exclude .hg --exclude .git
|
|
|
-
|
|
|
-# ===========================================================================
|
|
|
-# Rules shared between *config targets and build targets
|
|
|
-
|
|
|
-# Basic helpers built in scripts/
|
|
|
-PHONY += scripts_basic
|
|
|
-scripts_basic:
|
|
|
- $(Q)$(MAKE) $(build)=scripts/basic
|
|
|
- $(Q)rm -f .tmp_quiet_recordmcount
|
|
|
-
|
|
|
-# To avoid any implicit rule to kick in, define an empty command.
|
|
|
-scripts/basic/%: scripts_basic ;
|
|
|
-
|
|
|
-PHONY += outputmakefile
|
|
|
-# outputmakefile generates a Makefile in the output directory, if using a
|
|
|
-# separate output directory. This allows convenient use of make in the
|
|
|
-# output directory.
|
|
|
-outputmakefile:
|
|
|
-ifneq ($(KBUILD_SRC),)
|
|
|
- $(Q)ln -fsn $(srctree) source
|
|
|
- $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
|
|
|
- $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
|
|
|
-endif
|
|
|
-
|
|
|
-# Support for using generic headers in asm-generic
|
|
|
-PHONY += asm-generic
|
|
|
-asm-generic:
|
|
|
- $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \
|
|
|
- src=asm obj=arch/$(SRCARCH)/include/generated/asm
|
|
|
- $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \
|
|
|
- src=uapi/asm obj=arch/$(SRCARCH)/include/generated/uapi/asm
|
|
|
-
|
|
|
-# To make sure we do not include .config for any of the *config targets
|
|
|
-# catch them early, and hand them over to scripts/kconfig/Makefile
|
|
|
-# It is allowed to specify more targets when calling make, including
|
|
|
-# mixing *config targets and build targets.
|
|
|
-# For example 'make oldconfig all'.
|
|
|
-# Detect when mixed targets is specified, and make a second invocation
|
|
|
-# of make so .config is not included in this case either (for *config).
|
|
|
-
|
|
|
-version_h := include/generated/uapi/linux/version.h
|
|
|
-old_version_h := include/linux/version.h
|
|
|
-
|
|
|
-no-dot-config-targets := clean mrproper distclean \
|
|
|
- cscope gtags TAGS tags help% %docs check% coccicheck \
|
|
|
- $(version_h) headers_% archheaders archscripts \
|
|
|
- kernelversion %src-pkg
|
|
|
-
|
|
|
-config-targets := 0
|
|
|
-mixed-targets := 0
|
|
|
-dot-config := 1
|
|
|
-
|
|
|
-ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)
|
|
|
- ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),)
|
|
|
- dot-config := 0
|
|
|
- endif
|
|
|
-endif
|
|
|
-
|
|
|
-ifeq ($(KBUILD_EXTMOD),)
|
|
|
- ifneq ($(filter config %config,$(MAKECMDGOALS)),)
|
|
|
- config-targets := 1
|
|
|
- ifneq ($(words $(MAKECMDGOALS)),1)
|
|
|
- mixed-targets := 1
|
|
|
- endif
|
|
|
- endif
|
|
|
-endif
|
|
|
-# install and module_install need also be processed one by one
|
|
|
-ifneq ($(filter install,$(MAKECMDGOALS)),)
|
|
|
- ifneq ($(filter modules_install,$(MAKECMDGOALS)),)
|
|
|
- mixed-targets := 1
|
|
|
- endif
|
|
|
-endif
|
|
|
-
|
|
|
-ifeq ($(mixed-targets),1)
|
|
|
-# ===========================================================================
|
|
|
-# We're called with mixed targets (*config and build targets).
|
|
|
-# Handle them one by one.
|
|
|
-
|
|
|
-PHONY += $(MAKECMDGOALS) __build_one_by_one
|
|
|
-
|
|
|
-$(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one
|
|
|
- @:
|
|
|
-
|
|
|
-__build_one_by_one:
|
|
|
- $(Q)set -e; \
|
|
|
- for i in $(MAKECMDGOALS); do \
|
|
|
- $(MAKE) -f $(srctree)/Makefile $$i; \
|
|
|
- done
|
|
|
-
|
|
|
-else
|
|
|
-ifeq ($(config-targets),1)
|
|
|
-# ===========================================================================
|
|
|
-# *config targets only - make sure prerequisites are updated, and descend
|
|
|
-# in scripts/kconfig to make the *config target
|
|
|
-
|
|
|
-# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed.
|
|
|
-# KBUILD_DEFCONFIG may point out an alternative default configuration
|
|
|
-# used for 'make defconfig'
|
|
|
-include arch/$(SRCARCH)/Makefile
|
|
|
-export KBUILD_DEFCONFIG KBUILD_KCONFIG
|
|
|
-
|
|
|
-config: scripts_basic outputmakefile FORCE
|
|
|
- $(Q)$(MAKE) $(build)=scripts/kconfig $@
|
|
|
-
|
|
|
-%config: scripts_basic outputmakefile FORCE
|
|
|
- $(Q)$(MAKE) $(build)=scripts/kconfig $@
|
|
|
-
|
|
|
-else
|
|
|
-# ===========================================================================
|
|
|
-# Build targets only - this includes vmlinux, arch specific targets, clean
|
|
|
-# targets and others. In general all targets except *config targets.
|
|
|
-
|
|
|
-ifeq ($(KBUILD_EXTMOD),)
|
|
|
-# Additional helpers built in scripts/
|
|
|
-# Carefully list dependencies so we do not try to build scripts twice
|
|
|
-# in parallel
|
|
|
-PHONY += scripts
|
|
|
-scripts: scripts_basic include/config/auto.conf include/config/tristate.conf \
|
|
|
- asm-generic gcc-plugins
|
|
|
- $(Q)$(MAKE) $(build)=$(@)
|
|
|
-
|
|
|
-# Objects we will link into vmlinux / subdirs we need to visit
|
|
|
-init-y := init/
|
|
|
-drivers-y := drivers/ sound/ firmware/
|
|
|
-net-y := net/
|
|
|
-libs-y := lib/
|
|
|
-core-y := usr/
|
|
|
-virt-y := virt/
|
|
|
-endif # KBUILD_EXTMOD
|
|
|
-
|
|
|
-ifeq ($(dot-config),1)
|
|
|
-# Read in config
|
|
|
--include include/config/auto.conf
|
|
|
-
|
|
|
-ifeq ($(KBUILD_EXTMOD),)
|
|
|
-# Read in dependencies to all Kconfig* files, make sure to run
|
|
|
-# oldconfig if changes are detected.
|
|
|
--include include/config/auto.conf.cmd
|
|
|
-
|
|
|
-# To avoid any implicit rule to kick in, define an empty command
|
|
|
-$(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
|
|
|
-
|
|
|
-# If .config is newer than include/config/auto.conf, someone tinkered
|
|
|
-# with it and forgot to run make oldconfig.
|
|
|
-# if auto.conf.cmd is missing then we are probably in a cleaned tree so
|
|
|
-# we execute the config step to be sure to catch updated Kconfig files
|
|
|
-include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
|
|
|
- $(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig
|
|
|
-else
|
|
|
-# external modules needs include/generated/autoconf.h and include/config/auto.conf
|
|
|
-# but do not care if they are up-to-date. Use auto.conf to trigger the test
|
|
|
-PHONY += include/config/auto.conf
|
|
|
-
|
|
|
-include/config/auto.conf:
|
|
|
- $(Q)test -e include/generated/autoconf.h -a -e $@ || ( \
|
|
|
- echo >&2; \
|
|
|
- echo >&2 " ERROR: Kernel configuration is invalid."; \
|
|
|
- echo >&2 " include/generated/autoconf.h or $@ are missing.";\
|
|
|
- echo >&2 " Run 'make oldconfig && make prepare' on kernel src to fix it."; \
|
|
|
- echo >&2 ; \
|
|
|
- /bin/false)
|
|
|
-
|
|
|
-endif # KBUILD_EXTMOD
|
|
|
-
|
|
|
-else
|
|
|
-# Dummy target needed, because used as prerequisite
|
|
|
-include/config/auto.conf: ;
|
|
|
-endif # $(dot-config)
|
|
|
-
|
|
|
-# For the kernel to actually contain only the needed exported symbols,
|
|
|
-# we have to build modules as well to determine what those symbols are.
|
|
|
-# (this can be evaluated only once include/config/auto.conf has been included)
|
|
|
-ifdef CONFIG_TRIM_UNUSED_KSYMS
|
|
|
- KBUILD_MODULES := 1
|
|
|
-endif
|
|
|
-
|
|
|
-# The all: target is the default when no target is given on the
|
|
|
-# command line.
|
|
|
-# This allow a user to issue only 'make' to build a kernel including modules
|
|
|
-# Defaults to vmlinux, but the arch makefile usually adds further targets
|
|
|
-all: vmlinux
|
|
|
-
|
|
|
-# The arch Makefile can set ARCH_{CPP,A,C}FLAGS to override the default
|
|
|
-# values of the respective KBUILD_* variables
|
|
|
-ARCH_CPPFLAGS :=
|
|
|
-ARCH_AFLAGS :=
|
|
|
-ARCH_CFLAGS :=
|
|
|
-include arch/$(SRCARCH)/Makefile
|
|
|
-
|
|
|
-KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,)
|
|
|
-KBUILD_CFLAGS += $(call cc-disable-warning,frame-address,)
|
|
|
-KBUILD_CFLAGS += $(call cc-disable-warning, format-truncation)
|
|
|
-KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow)
|
|
|
-KBUILD_CFLAGS += $(call cc-disable-warning, int-in-bool-context)
|
|
|
-
|
|
|
-ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
|
|
|
-KBUILD_CFLAGS += $(call cc-option,-Oz,-Os)
|
|
|
-KBUILD_CFLAGS += $(call cc-disable-warning,maybe-uninitialized,)
|
|
|
-else
|
|
|
-ifdef CONFIG_PROFILE_ALL_BRANCHES
|
|
|
-KBUILD_CFLAGS += -O2 $(call cc-disable-warning,maybe-uninitialized,)
|
|
|
-else
|
|
|
-KBUILD_CFLAGS += -O2
|
|
|
-endif
|
|
|
-endif
|
|
|
-
|
|
|
-KBUILD_CFLAGS += $(call cc-ifversion, -lt, 0409, \
|
|
|
- $(call cc-disable-warning,maybe-uninitialized,))
|
|
|
-
|
|
|
-# Tell gcc to never replace conditional load with a non-conditional one
|
|
|
-KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0)
|
|
|
-
|
|
|
-# check for 'asm goto'
|
|
|
-ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y)
|
|
|
- KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO
|
|
|
- KBUILD_AFLAGS += -DCC_HAVE_ASM_GOTO
|
|
|
-endif
|
|
|
-
|
|
|
-include scripts/Makefile.gcc-plugins
|
|
|
-
|
|
|
-ifdef CONFIG_READABLE_ASM
|
|
|
-# Disable optimizations that make assembler listings hard to read.
|
|
|
-# reorder blocks reorders the control in the function
|
|
|
-# ipa clone creates specialized cloned functions
|
|
|
-# partial inlining inlines only parts of functions
|
|
|
-KBUILD_CFLAGS += $(call cc-option,-fno-reorder-blocks,) \
|
|
|
- $(call cc-option,-fno-ipa-cp-clone,) \
|
|
|
- $(call cc-option,-fno-partial-inlining)
|
|
|
-endif
|
|
|
-
|
|
|
-ifneq ($(CONFIG_FRAME_WARN),0)
|
|
|
-KBUILD_CFLAGS += $(call cc-option,-Wframe-larger-than=${CONFIG_FRAME_WARN})
|
|
|
-endif
|
|
|
-
|
|
|
-# This selects the stack protector compiler flag. Testing it is delayed
|
|
|
-# until after .config has been reprocessed, in the prepare-compiler-check
|
|
|
-# target.
|
|
|
-ifdef CONFIG_CC_STACKPROTECTOR_REGULAR
|
|
|
- stackp-flag := -fstack-protector
|
|
|
- stackp-name := REGULAR
|
|
|
-else
|
|
|
-ifdef CONFIG_CC_STACKPROTECTOR_STRONG
|
|
|
- stackp-flag := -fstack-protector-strong
|
|
|
- stackp-name := STRONG
|
|
|
-else
|
|
|
- # Force off for distro compilers that enable stack protector by default.
|
|
|
- stackp-flag := $(call cc-option, -fno-stack-protector)
|
|
|
-endif
|
|
|
-endif
|
|
|
-# Find arch-specific stack protector compiler sanity-checking script.
|
|
|
-ifdef CONFIG_CC_STACKPROTECTOR
|
|
|
- stackp-path := $(srctree)/scripts/gcc-$(SRCARCH)_$(BITS)-has-stack-protector.sh
|
|
|
- stackp-check := $(wildcard $(stackp-path))
|
|
|
-endif
|
|
|
-KBUILD_CFLAGS += $(stackp-flag)
|
|
|
-
|
|
|
-ifeq ($(cc-name),clang)
|
|
|
-ifneq ($(CROSS_COMPILE),)
|
|
|
-CLANG_TARGET := -target $(notdir $(CROSS_COMPILE:%-=%))
|
|
|
-GCC_TOOLCHAIN := $(realpath $(dir $(shell which $(LD)))/..)
|
|
|
-endif
|
|
|
-ifneq ($(GCC_TOOLCHAIN),)
|
|
|
-CLANG_GCC_TC := -gcc-toolchain $(GCC_TOOLCHAIN)
|
|
|
-endif
|
|
|
-KBUILD_CFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC)
|
|
|
-KBUILD_AFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC)
|
|
|
-KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,)
|
|
|
-KBUILD_CFLAGS += $(call cc-disable-warning, unused-variable)
|
|
|
-KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier)
|
|
|
-KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
|
|
|
-# Quiet clang warning: comparison of unsigned expression < 0 is always false
|
|
|
-KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare)
|
|
|
-# CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the
|
|
|
-# source of a reference will be _MergedGlobals and not on of the whitelisted names.
|
|
|
-# See modpost pattern 2
|
|
|
-KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)
|
|
|
-KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
|
|
|
-KBUILD_CFLAGS += $(call cc-option, -no-integrated-as)
|
|
|
-KBUILD_AFLAGS += $(call cc-option, -no-integrated-as)
|
|
|
-else
|
|
|
-
|
|
|
-# These warnings generated too much noise in a regular build.
|
|
|
-# Use make W=1 to enable them (see scripts/Makefile.extrawarn)
|
|
|
-KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
|
|
|
-KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable)
|
|
|
-endif
|
|
|
-
|
|
|
-ifdef CONFIG_FRAME_POINTER
|
|
|
-KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
|
|
|
-else
|
|
|
-# Some targets (ARM with Thumb2, for example), can't be built with frame
|
|
|
-# pointers. For those, we don't have FUNCTION_TRACER automatically
|
|
|
-# select FRAME_POINTER. However, FUNCTION_TRACER adds -pg, and this is
|
|
|
-# incompatible with -fomit-frame-pointer with current GCC, so we don't use
|
|
|
-# -fomit-frame-pointer with FUNCTION_TRACER.
|
|
|
-ifndef CONFIG_FUNCTION_TRACER
|
|
|
-KBUILD_CFLAGS += -fomit-frame-pointer
|
|
|
-endif
|
|
|
-endif
|
|
|
-
|
|
|
-KBUILD_CFLAGS += $(call cc-option, -fno-var-tracking-assignments)
|
|
|
-
|
|
|
-ifdef CONFIG_DEBUG_INFO
|
|
|
-ifdef CONFIG_DEBUG_INFO_SPLIT
|
|
|
-KBUILD_CFLAGS += $(call cc-option, -gsplit-dwarf, -g)
|
|
|
-else
|
|
|
-KBUILD_CFLAGS += -g
|
|
|
-endif
|
|
|
-KBUILD_AFLAGS += -Wa,-gdwarf-2
|
|
|
-endif
|
|
|
-ifdef CONFIG_DEBUG_INFO_DWARF4
|
|
|
-KBUILD_CFLAGS += $(call cc-option, -gdwarf-4,)
|
|
|
-endif
|
|
|
-
|
|
|
-ifdef CONFIG_DEBUG_INFO_REDUCED
|
|
|
-KBUILD_CFLAGS += $(call cc-option, -femit-struct-debug-baseonly) \
|
|
|
- $(call cc-option,-fno-var-tracking)
|
|
|
-endif
|
|
|
-
|
|
|
-ifdef CONFIG_FUNCTION_TRACER
|
|
|
-ifndef CC_FLAGS_FTRACE
|
|
|
-CC_FLAGS_FTRACE := -pg
|
|
|
-endif
|
|
|
-export CC_FLAGS_FTRACE
|
|
|
-ifdef CONFIG_HAVE_FENTRY
|
|
|
-CC_USING_FENTRY := $(call cc-option, -mfentry -DCC_USING_FENTRY)
|
|
|
-endif
|
|
|
-KBUILD_CFLAGS += $(CC_FLAGS_FTRACE) $(CC_USING_FENTRY)
|
|
|
-KBUILD_AFLAGS += $(CC_USING_FENTRY)
|
|
|
-ifdef CONFIG_DYNAMIC_FTRACE
|
|
|
- ifdef CONFIG_HAVE_C_RECORDMCOUNT
|
|
|
- BUILD_C_RECORDMCOUNT := y
|
|
|
- export BUILD_C_RECORDMCOUNT
|
|
|
- endif
|
|
|
-endif
|
|
|
-endif
|
|
|
-
|
|
|
-# We trigger additional mismatches with less inlining
|
|
|
-ifdef CONFIG_DEBUG_SECTION_MISMATCH
|
|
|
-KBUILD_CFLAGS += $(call cc-option, -fno-inline-functions-called-once)
|
|
|
-endif
|
|
|
-
|
|
|
-ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
|
|
|
-KBUILD_CFLAGS += $(call cc-option,-ffunction-sections,)
|
|
|
-KBUILD_CFLAGS += $(call cc-option,-fdata-sections,)
|
|
|
-endif
|
|
|
-
|
|
|
-# arch Makefile may override CC so keep this after arch Makefile is included
|
|
|
-NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
|
|
|
-CHECKFLAGS += $(NOSTDINC_FLAGS)
|
|
|
-
|
|
|
-# warn about C99 declaration after statement
|
|
|
-KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
|
|
|
-
|
|
|
-# disable pointer signed / unsigned warnings in gcc 4.0
|
|
|
-KBUILD_CFLAGS += $(call cc-disable-warning, pointer-sign)
|
|
|
-
|
|
|
-# disable invalid "can't wrap" optimizations for signed / pointers
|
|
|
-KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow)
|
|
|
-
|
|
|
-# conserve stack if available
|
|
|
-KBUILD_CFLAGS += $(call cc-option,-fconserve-stack)
|
|
|
-
|
|
|
-# disallow errors like 'EXPORT_GPL(foo);' with missing header
|
|
|
-KBUILD_CFLAGS += $(call cc-option,-Werror=implicit-int)
|
|
|
-
|
|
|
-# require functions to have arguments in prototypes, not empty 'int foo()'
|
|
|
-KBUILD_CFLAGS += $(call cc-option,-Werror=strict-prototypes)
|
|
|
-
|
|
|
-# Prohibit date/time macros, which would make the build non-deterministic
|
|
|
-KBUILD_CFLAGS += $(call cc-option,-Werror=date-time)
|
|
|
-
|
|
|
-# enforce correct pointer usage
|
|
|
-KBUILD_CFLAGS += $(call cc-option,-Werror=incompatible-pointer-types)
|
|
|
-
|
|
|
-# Require designated initializers for all marked structures
|
|
|
-KBUILD_CFLAGS += $(call cc-option,-Werror=designated-init)
|
|
|
-
|
|
|
-# use the deterministic mode of AR if available
|
|
|
-KBUILD_ARFLAGS := $(call ar-option,D)
|
|
|
-
|
|
|
-include scripts/Makefile.kasan
|
|
|
-include scripts/Makefile.extrawarn
|
|
|
-include scripts/Makefile.ubsan
|
|
|
-
|
|
|
-# Add any arch overrides and user supplied CPPFLAGS, AFLAGS and CFLAGS as the
|
|
|
-# last assignments
|
|
|
-KBUILD_CPPFLAGS += $(ARCH_CPPFLAGS) $(KCPPFLAGS)
|
|
|
-KBUILD_AFLAGS += $(ARCH_AFLAGS) $(KAFLAGS)
|
|
|
-KBUILD_CFLAGS += $(ARCH_CFLAGS) $(KCFLAGS)
|
|
|
-
|
|
|
-# Use --build-id when available.
|
|
|
-LDFLAGS_BUILD_ID := $(patsubst -Wl$(comma)%,%,\
|
|
|
- $(call cc-ldoption, -Wl$(comma)--build-id,))
|
|
|
-KBUILD_LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID)
|
|
|
-LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID)
|
|
|
-
|
|
|
-ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
|
|
|
-LDFLAGS_vmlinux += $(call ld-option, --gc-sections,)
|
|
|
-endif
|
|
|
-
|
|
|
-ifeq ($(CONFIG_STRIP_ASM_SYMS),y)
|
|
|
-LDFLAGS_vmlinux += $(call ld-option, -X,)
|
|
|
-endif
|
|
|
-
|
|
|
-# Default kernel image to build when no specific target is given.
|
|
|
-# KBUILD_IMAGE may be overruled on the command line or
|
|
|
-# set in the environment
|
|
|
-# Also any assignments in arch/$(ARCH)/Makefile take precedence over
|
|
|
-# this default value
|
|
|
-export KBUILD_IMAGE ?= vmlinux
|
|
|
-
|
|
|
-#
|
|
|
-# INSTALL_PATH specifies where to place the updated kernel and system map
|
|
|
-# images. Default is /boot, but you can set it to other values
|
|
|
-export INSTALL_PATH ?= /boot
|
|
|
-
|
|
|
-#
|
|
|
-# INSTALL_DTBS_PATH specifies a prefix for relocations required by build roots.
|
|
|
-# Like INSTALL_MOD_PATH, it isn't defined in the Makefile, but can be passed as
|
|
|
-# an argument if needed. Otherwise it defaults to the kernel install path
|
|
|
-#
|
|
|
-export INSTALL_DTBS_PATH ?= $(INSTALL_PATH)/dtbs/$(KERNELRELEASE)
|
|
|
-
|
|
|
-#
|
|
|
-# INSTALL_MOD_PATH specifies a prefix to MODLIB for module directory
|
|
|
-# relocations required by build roots. This is not defined in the
|
|
|
-# makefile but the argument can be passed to make if needed.
|
|
|
-#
|
|
|
-
|
|
|
-MODLIB = $(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE)
|
|
|
-export MODLIB
|
|
|
-
|
|
|
-#
|
|
|
-# INSTALL_MOD_STRIP, if defined, will cause modules to be
|
|
|
-# stripped after they are installed. If INSTALL_MOD_STRIP is '1', then
|
|
|
-# the default option --strip-debug will be used. Otherwise,
|
|
|
-# INSTALL_MOD_STRIP value will be used as the options to the strip command.
|
|
|
-
|
|
|
-ifdef INSTALL_MOD_STRIP
|
|
|
-ifeq ($(INSTALL_MOD_STRIP),1)
|
|
|
-mod_strip_cmd = $(STRIP) --strip-debug
|
|
|
-else
|
|
|
-mod_strip_cmd = $(STRIP) $(INSTALL_MOD_STRIP)
|
|
|
-endif # INSTALL_MOD_STRIP=1
|
|
|
-else
|
|
|
-mod_strip_cmd = true
|
|
|
-endif # INSTALL_MOD_STRIP
|
|
|
-export mod_strip_cmd
|
|
|
-
|
|
|
-# CONFIG_MODULE_COMPRESS, if defined, will cause module to be compressed
|
|
|
-# after they are installed in agreement with CONFIG_MODULE_COMPRESS_GZIP
|
|
|
-# or CONFIG_MODULE_COMPRESS_XZ.
|
|
|
-
|
|
|
-mod_compress_cmd = true
|
|
|
-ifdef CONFIG_MODULE_COMPRESS
|
|
|
- ifdef CONFIG_MODULE_COMPRESS_GZIP
|
|
|
- mod_compress_cmd = gzip -n -f
|
|
|
- endif # CONFIG_MODULE_COMPRESS_GZIP
|
|
|
- ifdef CONFIG_MODULE_COMPRESS_XZ
|
|
|
- mod_compress_cmd = xz -f
|
|
|
- endif # CONFIG_MODULE_COMPRESS_XZ
|
|
|
-endif # CONFIG_MODULE_COMPRESS
|
|
|
-export mod_compress_cmd
|
|
|
-
|
|
|
-# Select initial ramdisk compression format, default is gzip(1).
|
|
|
-# This shall be used by the dracut(8) tool while creating an initramfs image.
|
|
|
-#
|
|
|
-INITRD_COMPRESS-y := gzip
|
|
|
-INITRD_COMPRESS-$(CONFIG_RD_BZIP2) := bzip2
|
|
|
-INITRD_COMPRESS-$(CONFIG_RD_LZMA) := lzma
|
|
|
-INITRD_COMPRESS-$(CONFIG_RD_XZ) := xz
|
|
|
-INITRD_COMPRESS-$(CONFIG_RD_LZO) := lzo
|
|
|
-INITRD_COMPRESS-$(CONFIG_RD_LZ4) := lz4
|
|
|
-# do not export INITRD_COMPRESS, since we didn't actually
|
|
|
-# choose a sane default compression above.
|
|
|
-# export INITRD_COMPRESS := $(INITRD_COMPRESS-y)
|
|
|
-
|
|
|
-ifdef CONFIG_MODULE_SIG_ALL
|
|
|
-$(eval $(call config_filename,MODULE_SIG_KEY))
|
|
|
-
|
|
|
-mod_sign_cmd = scripts/sign-file $(CONFIG_MODULE_SIG_HASH) $(MODULE_SIG_KEY_SRCPREFIX)$(CONFIG_MODULE_SIG_KEY) certs/signing_key.x509
|
|
|
-else
|
|
|
-mod_sign_cmd = true
|
|
|
-endif
|
|
|
-export mod_sign_cmd
|
|
|
-
|
|
|
-ifdef CONFIG_STACK_VALIDATION
|
|
|
- has_libelf := $(call try-run,\
|
|
|
- echo "int main() {}" | $(HOSTCC) -xc -o /dev/null -lelf -,1,0)
|
|
|
- ifeq ($(has_libelf),1)
|
|
|
- objtool_target := tools/objtool FORCE
|
|
|
- else
|
|
|
- $(warning "Cannot use CONFIG_STACK_VALIDATION, please install libelf-dev, libelf-devel or elfutils-libelf-devel")
|
|
|
- SKIP_STACK_VALIDATION := 1
|
|
|
- export SKIP_STACK_VALIDATION
|
|
|
- endif
|
|
|
-endif
|
|
|
-
|
|
|
-
|
|
|
-ifeq ($(KBUILD_EXTMOD),)
|
|
|
-core-y += kernel/ certs/ mm/ fs/ ipc/ security/ crypto/ block/
|
|
|
-
|
|
|
-vmlinux-dirs := $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \
|
|
|
- $(core-y) $(core-m) $(drivers-y) $(drivers-m) \
|
|
|
- $(net-y) $(net-m) $(libs-y) $(libs-m) $(virt-y)))
|
|
|
-
|
|
|
-vmlinux-alldirs := $(sort $(vmlinux-dirs) $(patsubst %/,%,$(filter %/, \
|
|
|
- $(init-) $(core-) $(drivers-) $(net-) $(libs-) $(virt-))))
|
|
|
-
|
|
|
-init-y := $(patsubst %/, %/built-in.o, $(init-y))
|
|
|
-core-y := $(patsubst %/, %/built-in.o, $(core-y))
|
|
|
-drivers-y := $(patsubst %/, %/built-in.o, $(drivers-y))
|
|
|
-net-y := $(patsubst %/, %/built-in.o, $(net-y))
|
|
|
-libs-y1 := $(patsubst %/, %/lib.a, $(libs-y))
|
|
|
-libs-y2 := $(patsubst %/, %/built-in.o, $(libs-y))
|
|
|
-libs-y := $(libs-y1) $(libs-y2)
|
|
|
-virt-y := $(patsubst %/, %/built-in.o, $(virt-y))
|
|
|
-
|
|
|
-# Externally visible symbols (used by link-vmlinux.sh)
|
|
|
-export KBUILD_VMLINUX_INIT := $(head-y) $(init-y)
|
|
|
-export KBUILD_VMLINUX_MAIN := $(core-y) $(libs-y) $(drivers-y) $(net-y) $(virt-y)
|
|
|
-export KBUILD_LDS := arch/$(SRCARCH)/kernel/vmlinux.lds
|
|
|
-export LDFLAGS_vmlinux
|
|
|
-# used by scripts/pacmage/Makefile
|
|
|
-export KBUILD_ALLDIRS := $(sort $(filter-out arch/%,$(vmlinux-alldirs)) arch Documentation include samples scripts tools)
|
|
|
-
|
|
|
-vmlinux-deps := $(KBUILD_LDS) $(KBUILD_VMLINUX_INIT) $(KBUILD_VMLINUX_MAIN)
|
|
|
-
|
|
|
-# Include targets which we want to execute sequentially if the rest of the
|
|
|
-# kernel build went well. If CONFIG_TRIM_UNUSED_KSYMS is set, this might be
|
|
|
-# evaluated more than once.
|
|
|
-PHONY += vmlinux_prereq
|
|
|
-vmlinux_prereq: $(vmlinux-deps) FORCE
|
|
|
-ifdef CONFIG_HEADERS_CHECK
|
|
|
- $(Q)$(MAKE) -f $(srctree)/Makefile headers_check
|
|
|
-endif
|
|
|
-ifdef CONFIG_GDB_SCRIPTS
|
|
|
- $(Q)ln -fsn `cd $(srctree) && /bin/pwd`/scripts/gdb/vmlinux-gdb.py
|
|
|
-endif
|
|
|
-ifdef CONFIG_TRIM_UNUSED_KSYMS
|
|
|
- $(Q)$(CONFIG_SHELL) $(srctree)/scripts/adjust_autoksyms.sh \
|
|
|
- "$(MAKE) -f $(srctree)/Makefile vmlinux"
|
|
|
-endif
|
|
|
-
|
|
|
-# standalone target for easier testing
|
|
|
-include/generated/autoksyms.h: FORCE
|
|
|
- $(Q)$(CONFIG_SHELL) $(srctree)/scripts/adjust_autoksyms.sh true
|
|
|
-
|
|
|
-ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
|
|
|
-
|
|
|
-# Final link of vmlinux with optional arch pass after final link
|
|
|
- cmd_link-vmlinux = \
|
|
|
- $(CONFIG_SHELL) $< $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) ; \
|
|
|
- $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
|
|
|
-
|
|
|
-vmlinux: scripts/link-vmlinux.sh vmlinux_prereq $(vmlinux-deps) FORCE
|
|
|
- +$(call if_changed,link-vmlinux)
|
|
|
-
|
|
|
-# Build samples along the rest of the kernel
|
|
|
-ifdef CONFIG_SAMPLES
|
|
|
-vmlinux-dirs += samples
|
|
|
-endif
|
|
|
-
|
|
|
-# The actual objects are generated when descending,
|
|
|
-# make sure no implicit rule kicks in
|
|
|
-$(sort $(vmlinux-deps)): $(vmlinux-dirs) ;
|
|
|
-
|
|
|
-# Handle descending into subdirectories listed in $(vmlinux-dirs)
|
|
|
-# Preset locale variables to speed up the build process. Limit locale
|
|
|
-# tweaks to this spot to avoid wrong language settings when running
|
|
|
-# make menuconfig etc.
|
|
|
-# Error messages still appears in the original language
|
|
|
-
|
|
|
-PHONY += $(vmlinux-dirs)
|
|
|
-$(vmlinux-dirs): prepare scripts
|
|
|
- $(Q)$(MAKE) $(build)=$@
|
|
|
-
|
|
|
-define filechk_kernel.release
|
|
|
- echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
|
|
|
-endef
|
|
|
-
|
|
|
-# Store (new) KERNELRELEASE string in include/config/kernel.release
|
|
|
-include/config/kernel.release: include/config/auto.conf FORCE
|
|
|
- $(call filechk,kernel.release)
|
|
|
-
|
|
|
-
|
|
|
-# Things we need to do before we recursively start building the kernel
|
|
|
-# or the modules are listed in "prepare".
|
|
|
-# A multi level approach is used. prepareN is processed before prepareN-1.
|
|
|
-# archprepare is used in arch Makefiles and when processed asm symlink,
|
|
|
-# version.h and scripts_basic is processed / created.
|
|
|
-
|
|
|
-# Listed in dependency order
|
|
|
-PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3
|
|
|
-
|
|
|
-# prepare3 is used to check if we are building in a separate output directory,
|
|
|
-# and if so do:
|
|
|
-# 1) Check that make has not been executed in the kernel src $(srctree)
|
|
|
-prepare3: include/config/kernel.release
|
|
|
-ifneq ($(KBUILD_SRC),)
|
|
|
- @$(kecho) ' Using $(srctree) as source for kernel'
|
|
|
- $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \
|
|
|
- echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \
|
|
|
- echo >&2 " in the '$(srctree)' directory.";\
|
|
|
- /bin/false; \
|
|
|
- fi;
|
|
|
-endif
|
|
|
-
|
|
|
-# prepare2 creates a makefile if using a separate output directory.
|
|
|
-# From this point forward, .config has been reprocessed, so any rules
|
|
|
-# that need to depend on updated CONFIG_* values can be checked here.
|
|
|
-prepare2: prepare3 prepare-compiler-check outputmakefile asm-generic
|
|
|
-
|
|
|
-prepare1: prepare2 $(version_h) include/generated/utsrelease.h \
|
|
|
- include/config/auto.conf
|
|
|
- $(cmd_crmodverdir)
|
|
|
-
|
|
|
-archprepare: archheaders archscripts prepare1 scripts_basic
|
|
|
-
|
|
|
-prepare0: archprepare gcc-plugins
|
|
|
- $(Q)$(MAKE) $(build)=.
|
|
|
-
|
|
|
-# All the preparing..
|
|
|
-prepare: prepare0 prepare-objtool
|
|
|
-
|
|
|
-PHONY += prepare-objtool
|
|
|
-prepare-objtool: $(objtool_target)
|
|
|
-
|
|
|
-# Check for CONFIG flags that require compiler support. Abort the build
|
|
|
-# after .config has been processed, but before the kernel build starts.
|
|
|
-#
|
|
|
-# For security-sensitive CONFIG options, we don't want to fallback and/or
|
|
|
-# silently change which compiler flags will be used, since that leads to
|
|
|
-# producing kernels with different security feature characteristics
|
|
|
-# depending on the compiler used. (For example, "But I selected
|
|
|
-# CC_STACKPROTECTOR_STRONG! Why did it build with _REGULAR?!")
|
|
|
-PHONY += prepare-compiler-check
|
|
|
-prepare-compiler-check: FORCE
|
|
|
-# Make sure compiler supports requested stack protector flag.
|
|
|
-ifdef stackp-name
|
|
|
- ifeq ($(call cc-option, $(stackp-flag)),)
|
|
|
- @echo Cannot use CONFIG_CC_STACKPROTECTOR_$(stackp-name): \
|
|
|
- $(stackp-flag) not supported by compiler >&2 && exit 1
|
|
|
- endif
|
|
|
-endif
|
|
|
-# Make sure compiler does not have buggy stack-protector support.
|
|
|
-ifdef stackp-check
|
|
|
- ifneq ($(shell $(CONFIG_SHELL) $(stackp-check) $(CC) $(KBUILD_CPPFLAGS) $(biarch)),y)
|
|
|
- @echo Cannot use CONFIG_CC_STACKPROTECTOR_$(stackp-name): \
|
|
|
- $(stackp-flag) available but compiler is broken >&2 && exit 1
|
|
|
- endif
|
|
|
-endif
|
|
|
- @:
|
|
|
-
|
|
|
-# Generate some files
|
|
|
-# ---------------------------------------------------------------------------
|
|
|
-
|
|
|
-# KERNELRELEASE can change from a few different places, meaning version.h
|
|
|
-# needs to be updated, so this check is forced on all builds
|
|
|
-
|
|
|
-uts_len := 64
|
|
|
-define filechk_utsrelease.h
|
|
|
- if [ `echo -n "$(KERNELRELEASE)" | wc -c ` -gt $(uts_len) ]; then \
|
|
|
- echo '"$(KERNELRELEASE)" exceeds $(uts_len) characters' >&2; \
|
|
|
- exit 1; \
|
|
|
- fi; \
|
|
|
- (echo \#define UTS_RELEASE \"$(KERNELRELEASE)\";)
|
|
|
-endef
|
|
|
-
|
|
|
-define filechk_version.h
|
|
|
- (echo \#define LINUX_VERSION_CODE $(shell \
|
|
|
- expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 0$(SUBLEVEL)); \
|
|
|
- echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))';)
|
|
|
-endef
|
|
|
-
|
|
|
-$(version_h): $(srctree)/Makefile FORCE
|
|
|
- $(call filechk,version.h)
|
|
|
- $(Q)rm -f $(old_version_h)
|
|
|
-
|
|
|
-include/generated/utsrelease.h: include/config/kernel.release FORCE
|
|
|
- $(call filechk,utsrelease.h)
|
|
|
-
|
|
|
-PHONY += headerdep
|
|
|
-headerdep:
|
|
|
- $(Q)find $(srctree)/include/ -name '*.h' | xargs --max-args 1 \
|
|
|
- $(srctree)/scripts/headerdep.pl -I$(srctree)/include
|
|
|
-
|
|
|
-# ---------------------------------------------------------------------------
|
|
|
-# Firmware install
|
|
|
-INSTALL_FW_PATH=$(INSTALL_MOD_PATH)/lib/firmware
|
|
|
-export INSTALL_FW_PATH
|
|
|
-
|
|
|
-PHONY += firmware_install
|
|
|
-firmware_install:
|
|
|
- @mkdir -p $(objtree)/firmware
|
|
|
- $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_install
|
|
|
-
|
|
|
-# ---------------------------------------------------------------------------
|
|
|
-# Kernel headers
|
|
|
-
|
|
|
-#Default location for installed headers
|
|
|
-export INSTALL_HDR_PATH = $(objtree)/usr
|
|
|
-
|
|
|
-# If we do an all arch process set dst to asm-$(hdr-arch)
|
|
|
-hdr-dst = $(if $(KBUILD_HEADERS), dst=include/arch-$(hdr-arch), dst=include)
|
|
|
-
|
|
|
-PHONY += archheaders
|
|
|
-archheaders:
|
|
|
-
|
|
|
-PHONY += archscripts
|
|
|
-archscripts:
|
|
|
-
|
|
|
-PHONY += __headers
|
|
|
-__headers: $(version_h) scripts_basic asm-generic archheaders archscripts
|
|
|
- $(Q)$(MAKE) $(build)=scripts build_unifdef
|
|
|
-
|
|
|
-PHONY += headers_install_all
|
|
|
-headers_install_all:
|
|
|
- $(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh install
|
|
|
-
|
|
|
-PHONY += headers_install
|
|
|
-headers_install: __headers
|
|
|
- $(if $(wildcard $(srctree)/arch/$(hdr-arch)/include/uapi/asm/Kbuild),, \
|
|
|
- $(error Headers not exportable for the $(SRCARCH) architecture))
|
|
|
- $(Q)$(MAKE) $(hdr-inst)=include/uapi
|
|
|
- $(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/uapi $(hdr-dst)
|
|
|
-
|
|
|
-PHONY += headers_check_all
|
|
|
-headers_check_all: headers_install_all
|
|
|
- $(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh check
|
|
|
-
|
|
|
-PHONY += headers_check
|
|
|
-headers_check: headers_install
|
|
|
- $(Q)$(MAKE) $(hdr-inst)=include/uapi HDRCHECK=1
|
|
|
- $(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/uapi $(hdr-dst) HDRCHECK=1
|
|
|
-
|
|
|
-# ---------------------------------------------------------------------------
|
|
|
-# Kernel selftest
|
|
|
-
|
|
|
-PHONY += kselftest
|
|
|
-kselftest:
|
|
|
- $(Q)$(MAKE) -C tools/testing/selftests run_tests
|
|
|
-
|
|
|
-kselftest-clean:
|
|
|
- $(Q)$(MAKE) -C tools/testing/selftests clean
|
|
|
-
|
|
|
-PHONY += kselftest-merge
|
|
|
-kselftest-merge:
|
|
|
- $(if $(wildcard $(objtree)/.config),, $(error No .config exists, config your kernel first!))
|
|
|
- $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
|
|
|
- -m $(objtree)/.config \
|
|
|
- $(srctree)/tools/testing/selftests/*/config
|
|
|
- +$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
|
|
|
-
|
|
|
-# ---------------------------------------------------------------------------
|
|
|
-# Modules
|
|
|
-
|
|
|
-ifdef CONFIG_MODULES
|
|
|
-
|
|
|
-# By default, build modules as well
|
|
|
-
|
|
|
-all: modules
|
|
|
-
|
|
|
-# Build modules
|
|
|
-#
|
|
|
-# A module can be listed more than once in obj-m resulting in
|
|
|
-# duplicate lines in modules.order files. Those are removed
|
|
|
-# using awk while concatenating to the final file.
|
|
|
-
|
|
|
-PHONY += modules
|
|
|
-modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin
|
|
|
- $(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order
|
|
|
- @$(kecho) ' Building modules, stage 2.';
|
|
|
- $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
|
|
|
- $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modbuild
|
|
|
-
|
|
|
-modules.builtin: $(vmlinux-dirs:%=%/modules.builtin)
|
|
|
- $(Q)$(AWK) '!x[$$0]++' $^ > $(objtree)/modules.builtin
|
|
|
-
|
|
|
-%/modules.builtin: include/config/auto.conf
|
|
|
- $(Q)$(MAKE) $(modbuiltin)=$*
|
|
|
-
|
|
|
-
|
|
|
-# Target to prepare building external modules
|
|
|
-PHONY += modules_prepare
|
|
|
-modules_prepare: prepare scripts
|
|
|
-
|
|
|
-# Target to install modules
|
|
|
-PHONY += modules_install
|
|
|
-modules_install: _modinst_ _modinst_post
|
|
|
-
|
|
|
-PHONY += _modinst_
|
|
|
-_modinst_:
|
|
|
- @rm -rf $(MODLIB)/kernel
|
|
|
- @rm -f $(MODLIB)/source
|
|
|
- @mkdir -p $(MODLIB)/kernel
|
|
|
- @ln -s `cd $(srctree) && /bin/pwd` $(MODLIB)/source
|
|
|
- @if [ ! $(objtree) -ef $(MODLIB)/build ]; then \
|
|
|
- rm -f $(MODLIB)/build ; \
|
|
|
- ln -s $(CURDIR) $(MODLIB)/build ; \
|
|
|
- fi
|
|
|
- @cp -f $(objtree)/modules.order $(MODLIB)/
|
|
|
- @cp -f $(objtree)/modules.builtin $(MODLIB)/
|
|
|
- $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst
|
|
|
-
|
|
|
-# This depmod is only for convenience to give the initial
|
|
|
-# boot a modules.dep even before / is mounted read-write. However the
|
|
|
-# boot script depmod is the master version.
|
|
|
-PHONY += _modinst_post
|
|
|
-_modinst_post: _modinst_
|
|
|
- $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modinst
|
|
|
- $(call cmd,depmod)
|
|
|
-
|
|
|
-ifeq ($(CONFIG_MODULE_SIG), y)
|
|
|
-PHONY += modules_sign
|
|
|
-modules_sign:
|
|
|
- $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modsign
|
|
|
-endif
|
|
|
-
|
|
|
-else # CONFIG_MODULES
|
|
|
-
|
|
|
-# Modules not configured
|
|
|
-# ---------------------------------------------------------------------------
|
|
|
-
|
|
|
-PHONY += modules modules_install
|
|
|
-modules modules_install:
|
|
|
- @echo >&2
|
|
|
- @echo >&2 "The present kernel configuration has modules disabled."
|
|
|
- @echo >&2 "Type 'make config' and enable loadable module support."
|
|
|
- @echo >&2 "Then build a kernel with module support enabled."
|
|
|
- @echo >&2
|
|
|
- @exit 1
|
|
|
-
|
|
|
-endif # CONFIG_MODULES
|
|
|
-
|
|
|
-###
|
|
|
-# Cleaning is done on three levels.
|
|
|
-# make clean Delete most generated files
|
|
|
-# Leave enough to build external modules
|
|
|
-# make mrproper Delete the current configuration, and all generated files
|
|
|
-# make distclean Remove editor backup files, patch leftover files and the like
|
|
|
-
|
|
|
-# Directories & files removed with 'make clean'
|
|
|
-CLEAN_DIRS += $(MODVERDIR)
|
|
|
-
|
|
|
-# Directories & files removed with 'make mrproper'
|
|
|
-MRPROPER_DIRS += include/config usr/include include/generated \
|
|
|
- arch/*/include/generated .tmp_objdiff
|
|
|
-MRPROPER_FILES += .config .config.old .version .old_version \
|
|
|
- Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \
|
|
|
- signing_key.pem signing_key.priv signing_key.x509 \
|
|
|
- x509.genkey extra_certificates signing_key.x509.keyid \
|
|
|
- signing_key.x509.signer vmlinux-gdb.py
|
|
|
-
|
|
|
-# clean - Delete most, but leave enough to build external modules
|
|
|
-#
|
|
|
-clean: rm-dirs := $(CLEAN_DIRS)
|
|
|
-clean: rm-files := $(CLEAN_FILES)
|
|
|
-clean-dirs := $(addprefix _clean_, . $(vmlinux-alldirs) Documentation samples)
|
|
|
-
|
|
|
-PHONY += $(clean-dirs) clean archclean vmlinuxclean
|
|
|
-$(clean-dirs):
|
|
|
- $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
|
|
|
-
|
|
|
-vmlinuxclean:
|
|
|
- $(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-vmlinux.sh clean
|
|
|
- $(Q)$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) clean)
|
|
|
-
|
|
|
-clean: archclean vmlinuxclean
|
|
|
-
|
|
|
-# mrproper - Delete all generated files, including .config
|
|
|
-#
|
|
|
-mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS))
|
|
|
-mrproper: rm-files := $(wildcard $(MRPROPER_FILES))
|
|
|
-mrproper-dirs := $(addprefix _mrproper_,Documentation/DocBook scripts)
|
|
|
-
|
|
|
-PHONY += $(mrproper-dirs) mrproper archmrproper
|
|
|
-$(mrproper-dirs):
|
|
|
- $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@)
|
|
|
-
|
|
|
-mrproper: clean archmrproper $(mrproper-dirs)
|
|
|
- $(call cmd,rmdirs)
|
|
|
- $(call cmd,rmfiles)
|
|
|
-
|
|
|
-# distclean
|
|
|
-#
|
|
|
-PHONY += distclean
|
|
|
-
|
|
|
-distclean: mrproper
|
|
|
- @find $(srctree) $(RCS_FIND_IGNORE) \
|
|
|
- \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
|
|
|
- -o -name '*.bak' -o -name '#*#' -o -name '*%' \
|
|
|
- -o -name 'core' \) \
|
|
|
- -type f -print | xargs rm -f
|
|
|
-
|
|
|
-
|
|
|
-# Packaging of the kernel to various formats
|
|
|
-# ---------------------------------------------------------------------------
|
|
|
-# rpm target kept for backward compatibility
|
|
|
-package-dir := scripts/package
|
|
|
-
|
|
|
-%src-pkg: FORCE
|
|
|
- $(Q)$(MAKE) $(build)=$(package-dir) $@
|
|
|
-%pkg: include/config/kernel.release FORCE
|
|
|
- $(Q)$(MAKE) $(build)=$(package-dir) $@
|
|
|
-rpm: include/config/kernel.release FORCE
|
|
|
- $(Q)$(MAKE) $(build)=$(package-dir) $@
|
|
|
-
|
|
|
-
|
|
|
-# Brief documentation of the typical targets used
|
|
|
-# ---------------------------------------------------------------------------
|
|
|
-
|
|
|
-boards := $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*_defconfig)
|
|
|
-boards := $(sort $(notdir $(boards)))
|
|
|
-board-dirs := $(dir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*/*_defconfig))
|
|
|
-board-dirs := $(sort $(notdir $(board-dirs:/=)))
|
|
|
-
|
|
|
-PHONY += help
|
|
|
-help:
|
|
|
- @echo 'Cleaning targets:'
|
|
|
- @echo ' clean - Remove most generated files but keep the config and'
|
|
|
- @echo ' enough build support to build external modules'
|
|
|
- @echo ' mrproper - Remove all generated files + config + various backup files'
|
|
|
- @echo ' distclean - mrproper + remove editor backup and patch files'
|
|
|
- @echo ''
|
|
|
- @echo 'Configuration targets:'
|
|
|
- @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help
|
|
|
- @echo ''
|
|
|
- @echo 'Other generic targets:'
|
|
|
- @echo ' all - Build all targets marked with [*]'
|
|
|
- @echo '* vmlinux - Build the bare kernel'
|
|
|
- @echo '* modules - Build all modules'
|
|
|
- @echo ' modules_install - Install all modules to INSTALL_MOD_PATH (default: /)'
|
|
|
- @echo ' firmware_install- Install all firmware to INSTALL_FW_PATH'
|
|
|
- @echo ' (default: $$(INSTALL_MOD_PATH)/lib/firmware)'
|
|
|
- @echo ' dir/ - Build all files in dir and below'
|
|
|
- @echo ' dir/file.[ois] - Build specified target only'
|
|
|
- @echo ' dir/file.ll - Build the LLVM assembly file'
|
|
|
- @echo ' (requires compiler support for LLVM assembly generation)'
|
|
|
- @echo ' dir/file.lst - Build specified mixed source/assembly target only'
|
|
|
- @echo ' (requires a recent binutils and recent build (System.map))'
|
|
|
- @echo ' dir/file.ko - Build module including final link'
|
|
|
- @echo ' modules_prepare - Set up for building external modules'
|
|
|
- @echo ' tags/TAGS - Generate tags file for editors'
|
|
|
- @echo ' cscope - Generate cscope index'
|
|
|
- @echo ' gtags - Generate GNU GLOBAL index'
|
|
|
- @echo ' kernelrelease - Output the release version string (use with make -s)'
|
|
|
- @echo ' kernelversion - Output the version stored in Makefile (use with make -s)'
|
|
|
- @echo ' image_name - Output the image name (use with make -s)'
|
|
|
- @echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \
|
|
|
- echo ' (default: $(INSTALL_HDR_PATH))'; \
|
|
|
- echo ''
|
|
|
- @echo 'Static analysers:'
|
|
|
- @echo ' checkstack - Generate a list of stack hogs'
|
|
|
- @echo ' namespacecheck - Name space analysis on compiled kernel'
|
|
|
- @echo ' versioncheck - Sanity check on version.h usage'
|
|
|
- @echo ' includecheck - Check for duplicate included header files'
|
|
|
- @echo ' export_report - List the usages of all exported symbols'
|
|
|
- @echo ' headers_check - Sanity check on exported headers'
|
|
|
- @echo ' headerdep - Detect inclusion cycles in headers'
|
|
|
- @$(MAKE) -f $(srctree)/scripts/Makefile.help checker-help
|
|
|
- @echo ''
|
|
|
- @echo 'Kernel selftest:'
|
|
|
- @echo ' kselftest - Build and run kernel selftest (run as root)'
|
|
|
- @echo ' Build, install, and boot kernel before'
|
|
|
- @echo ' running kselftest on it'
|
|
|
- @echo ' kselftest-clean - Remove all generated kselftest files'
|
|
|
- @echo ' kselftest-merge - Merge all the config dependencies of kselftest to existed'
|
|
|
- @echo ' .config.'
|
|
|
- @echo ''
|
|
|
- @echo 'Userspace tools targets:'
|
|
|
- @echo ' use "make tools/help"'
|
|
|
- @echo ' or "cd tools; make help"'
|
|
|
- @echo ''
|
|
|
- @echo 'Kernel packaging:'
|
|
|
- @$(MAKE) $(build)=$(package-dir) help
|
|
|
- @echo ''
|
|
|
- @echo 'Documentation targets:'
|
|
|
- @$(MAKE) -f $(srctree)/Documentation/Makefile.sphinx dochelp
|
|
|
- @echo ''
|
|
|
- @$(MAKE) -f $(srctree)/Documentation/DocBook/Makefile dochelp
|
|
|
- @echo ''
|
|
|
- @echo 'Architecture specific targets ($(SRCARCH)):'
|
|
|
- @$(if $(archhelp),$(archhelp),\
|
|
|
- echo ' No architecture specific help defined for $(SRCARCH)')
|
|
|
- @echo ''
|
|
|
- @$(if $(boards), \
|
|
|
- $(foreach b, $(boards), \
|
|
|
- printf " %-24s - Build for %s\\n" $(b) $(subst _defconfig,,$(b));) \
|
|
|
- echo '')
|
|
|
- @$(if $(board-dirs), \
|
|
|
- $(foreach b, $(board-dirs), \
|
|
|
- printf " %-16s - Show %s-specific targets\\n" help-$(b) $(b);) \
|
|
|
- printf " %-16s - Show all of the above\\n" help-boards; \
|
|
|
- echo '')
|
|
|
-
|
|
|
- @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
|
|
|
- @echo ' make V=2 [targets] 2 => give reason for rebuild of target'
|
|
|
- @echo ' make O=dir [targets] Locate all output files in "dir", including .config'
|
|
|
- @echo ' make C=1 [targets] Check re-compiled c source with $$CHECK (sparse by default)'
|
|
|
- @echo ' make C=2 [targets] Force check of all c source with $$CHECK'
|
|
|
- @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'
|
|
|
- @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where'
|
|
|
- @echo ' 1: warnings which may be relevant and do not occur too often'
|
|
|
- @echo ' 2: warnings which occur quite often but may still be relevant'
|
|
|
- @echo ' 3: more obscure warnings, can most likely be ignored'
|
|
|
- @echo ' Multiple levels can be combined with W=12 or W=123'
|
|
|
- @echo ''
|
|
|
- @echo 'Execute "make" or "make all" to build all targets marked with [*] '
|
|
|
- @echo 'For further info see the ./README file'
|
|
|
-
|
|
|
-
|
|
|
-help-board-dirs := $(addprefix help-,$(board-dirs))
|
|
|
-
|
|
|
-help-boards: $(help-board-dirs)
|
|
|
-
|
|
|
-boards-per-dir = $(sort $(notdir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/$*/*_defconfig)))
|
|
|
-
|
|
|
-$(help-board-dirs): help-%:
|
|
|
- @echo 'Architecture specific targets ($(SRCARCH) $*):'
|
|
|
- @$(if $(boards-per-dir), \
|
|
|
- $(foreach b, $(boards-per-dir), \
|
|
|
- printf " %-24s - Build for %s\\n" $*/$(b) $(subst _defconfig,,$(b));) \
|
|
|
- echo '')
|
|
|
-
|
|
|
-
|
|
|
-# Documentation targets
|
|
|
-# ---------------------------------------------------------------------------
|
|
|
-DOC_TARGETS := xmldocs sgmldocs psdocs latexdocs pdfdocs htmldocs mandocs installmandocs epubdocs cleandocs linkcheckdocs
|
|
|
-PHONY += $(DOC_TARGETS)
|
|
|
-$(DOC_TARGETS): scripts_basic FORCE
|
|
|
- $(Q)$(MAKE) $(build)=scripts build_docproc build_check-lc_ctype
|
|
|
- $(Q)$(MAKE) $(build)=Documentation -f $(srctree)/Documentation/Makefile.sphinx $@
|
|
|
- $(Q)$(MAKE) $(build)=Documentation/DocBook $@
|
|
|
-
|
|
|
-else # KBUILD_EXTMOD
|
|
|
-
|
|
|
-###
|
|
|
-# External module support.
|
|
|
-# When building external modules the kernel used as basis is considered
|
|
|
-# read-only, and no consistency checks are made and the make
|
|
|
-# system is not used on the basis kernel. If updates are required
|
|
|
-# in the basis kernel ordinary make commands (without M=...) must
|
|
|
-# be used.
|
|
|
-#
|
|
|
-# The following are the only valid targets when building external
|
|
|
-# modules.
|
|
|
-# make M=dir clean Delete all automatically generated files
|
|
|
-# make M=dir modules Make all modules in specified dir
|
|
|
-# make M=dir Same as 'make M=dir modules'
|
|
|
-# make M=dir modules_install
|
|
|
-# Install the modules built in the module directory
|
|
|
-# Assumes install directory is already created
|
|
|
-
|
|
|
-# We are always building modules
|
|
|
-KBUILD_MODULES := 1
|
|
|
-PHONY += crmodverdir
|
|
|
-crmodverdir:
|
|
|
- $(cmd_crmodverdir)
|
|
|
-
|
|
|
-PHONY += $(objtree)/Module.symvers
|
|
|
-$(objtree)/Module.symvers:
|
|
|
- @test -e $(objtree)/Module.symvers || ( \
|
|
|
- echo; \
|
|
|
- echo " WARNING: Symbol version dump $(objtree)/Module.symvers"; \
|
|
|
- echo " is missing; modules will have no dependencies and modversions."; \
|
|
|
- echo )
|
|
|
-
|
|
|
-module-dirs := $(addprefix _module_,$(KBUILD_EXTMOD))
|
|
|
-PHONY += $(module-dirs) modules
|
|
|
-$(module-dirs): crmodverdir $(objtree)/Module.symvers
|
|
|
- $(Q)$(MAKE) $(build)=$(patsubst _module_%,%,$@)
|
|
|
-
|
|
|
-modules: $(module-dirs)
|
|
|
- @$(kecho) ' Building modules, stage 2.';
|
|
|
- $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
|
|
|
-
|
|
|
-PHONY += modules_install
|
|
|
-modules_install: _emodinst_ _emodinst_post
|
|
|
-
|
|
|
-install-dir := $(if $(INSTALL_MOD_DIR),$(INSTALL_MOD_DIR),extra)
|
|
|
-PHONY += _emodinst_
|
|
|
-_emodinst_:
|
|
|
- $(Q)mkdir -p $(MODLIB)/$(install-dir)
|
|
|
- $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst
|
|
|
-
|
|
|
-PHONY += _emodinst_post
|
|
|
-_emodinst_post: _emodinst_
|
|
|
- $(call cmd,depmod)
|
|
|
-
|
|
|
-clean-dirs := $(addprefix _clean_,$(KBUILD_EXTMOD))
|
|
|
-
|
|
|
-PHONY += $(clean-dirs) clean
|
|
|
-$(clean-dirs):
|
|
|
- $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
|
|
|
-
|
|
|
-clean: rm-dirs := $(MODVERDIR)
|
|
|
-clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers
|
|
|
-
|
|
|
-PHONY += help
|
|
|
-help:
|
|
|
- @echo ' Building external modules.'
|
|
|
- @echo ' Syntax: make -C path/to/kernel/src M=$$PWD target'
|
|
|
- @echo ''
|
|
|
- @echo ' modules - default target, build the module(s)'
|
|
|
- @echo ' modules_install - install the module'
|
|
|
- @echo ' clean - remove generated files in module directory only'
|
|
|
- @echo ''
|
|
|
-
|
|
|
-# Dummies...
|
|
|
-PHONY += prepare scripts
|
|
|
-prepare: ;
|
|
|
-scripts: ;
|
|
|
-endif # KBUILD_EXTMOD
|
|
|
-
|
|
|
-clean: $(clean-dirs)
|
|
|
- $(call cmd,rmdirs)
|
|
|
- $(call cmd,rmfiles)
|
|
|
- @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
|
|
|
- \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
|
|
|
- -o -name '*.ko.*' \
|
|
|
- -o -name '*.dwo' \
|
|
|
- -o -name '*.su' \
|
|
|
- -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
|
|
|
- -o -name '*.symtypes' -o -name 'modules.order' \
|
|
|
- -o -name modules.builtin -o -name '.tmp_*.o.*' \
|
|
|
- -o -name '*.c.[012]*.*' \
|
|
|
- -o -name '*.ll' \
|
|
|
- -o -name '*.gcno' \) -type f -print | xargs rm -f
|
|
|
-
|
|
|
-# Generate tags for editors
|
|
|
-# ---------------------------------------------------------------------------
|
|
|
-quiet_cmd_tags = GEN $@
|
|
|
- cmd_tags = $(CONFIG_SHELL) $(srctree)/scripts/tags.sh $@
|
|
|
-
|
|
|
-tags TAGS cscope gtags: FORCE
|
|
|
- $(call cmd,tags)
|
|
|
-
|
|
|
-# Scripts to check various things for consistency
|
|
|
-# ---------------------------------------------------------------------------
|
|
|
-
|
|
|
-PHONY += includecheck versioncheck coccicheck namespacecheck export_report
|
|
|
-
|
|
|
-includecheck:
|
|
|
- find $(srctree)/* $(RCS_FIND_IGNORE) \
|
|
|
- -name '*.[hcS]' -type f -print | sort \
|
|
|
- | xargs $(PERL) -w $(srctree)/scripts/checkincludes.pl
|
|
|
-
|
|
|
-versioncheck:
|
|
|
- find $(srctree)/* $(RCS_FIND_IGNORE) \
|
|
|
- -name '*.[hcS]' -type f -print | sort \
|
|
|
- | xargs $(PERL) -w $(srctree)/scripts/checkversion.pl
|
|
|
-
|
|
|
-coccicheck:
|
|
|
- $(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@
|
|
|
-
|
|
|
-namespacecheck:
|
|
|
- $(PERL) $(srctree)/scripts/namespace.pl
|
|
|
-
|
|
|
-export_report:
|
|
|
- $(PERL) $(srctree)/scripts/export_report.pl
|
|
|
-
|
|
|
-endif #ifeq ($(config-targets),1)
|
|
|
-endif #ifeq ($(mixed-targets),1)
|
|
|
-
|
|
|
-PHONY += checkstack kernelrelease kernelversion image_name
|
|
|
-
|
|
|
-# UML needs a little special treatment here. It wants to use the host
|
|
|
-# toolchain, so needs $(SUBARCH) passed to checkstack.pl. Everyone
|
|
|
-# else wants $(ARCH), including people doing cross-builds, which means
|
|
|
-# that $(SUBARCH) doesn't work here.
|
|
|
-ifeq ($(ARCH), um)
|
|
|
-CHECKSTACK_ARCH := $(SUBARCH)
|
|
|
-else
|
|
|
-CHECKSTACK_ARCH := $(ARCH)
|
|
|
-endif
|
|
|
-checkstack:
|
|
|
- $(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \
|
|
|
- $(PERL) $(src)/scripts/checkstack.pl $(CHECKSTACK_ARCH)
|
|
|
-
|
|
|
-kernelrelease:
|
|
|
- @echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
|
|
|
-
|
|
|
-kernelversion:
|
|
|
- @echo $(KERNELVERSION)
|
|
|
-
|
|
|
-image_name:
|
|
|
- @echo $(KBUILD_IMAGE)
|
|
|
-
|
|
|
-# Clear a bunch of variables before executing the submake
|
|
|
-tools/: FORCE
|
|
|
- $(Q)mkdir -p $(objtree)/tools
|
|
|
- $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(shell cd $(objtree) && /bin/pwd) subdir=tools -C $(src)/tools/
|
|
|
-
|
|
|
-tools/%: FORCE
|
|
|
- $(Q)mkdir -p $(objtree)/tools
|
|
|
- $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(shell cd $(objtree) && /bin/pwd) subdir=tools -C $(src)/tools/ $*
|
|
|
-
|
|
|
-# Single targets
|
|
|
-# ---------------------------------------------------------------------------
|
|
|
-# Single targets are compatible with:
|
|
|
-# - build with mixed source and output
|
|
|
-# - build with separate output dir 'make O=...'
|
|
|
-# - external modules
|
|
|
-#
|
|
|
-# target-dir => where to store outputfile
|
|
|
-# build-dir => directory in kernel source tree to use
|
|
|
-
|
|
|
-ifeq ($(KBUILD_EXTMOD),)
|
|
|
- build-dir = $(patsubst %/,%,$(dir $@))
|
|
|
- target-dir = $(dir $@)
|
|
|
-else
|
|
|
- zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@)))
|
|
|
- build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash))
|
|
|
- target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@))
|
|
|
-endif
|
|
|
-
|
|
|
-%.s: %.c prepare scripts FORCE
|
|
|
- $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
|
|
|
-%.i: %.c prepare scripts FORCE
|
|
|
- $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
|
|
|
-%.o: %.c prepare scripts FORCE
|
|
|
- $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
|
|
|
-%.lst: %.c prepare scripts FORCE
|
|
|
- $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
|
|
|
-%.s: %.S prepare scripts FORCE
|
|
|
- $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
|
|
|
-%.o: %.S prepare scripts FORCE
|
|
|
- $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
|
|
|
-%.symtypes: %.c prepare scripts FORCE
|
|
|
- $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
|
|
|
-%.ll: %.c prepare scripts FORCE
|
|
|
- $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
|
|
|
-
|
|
|
-# Modules
|
|
|
-/: prepare scripts FORCE
|
|
|
- $(cmd_crmodverdir)
|
|
|
- $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
|
|
|
- $(build)=$(build-dir)
|
|
|
-# Make sure the latest headers are built for Documentation
|
|
|
-Documentation/ samples/: headers_install
|
|
|
-%/: prepare scripts FORCE
|
|
|
- $(cmd_crmodverdir)
|
|
|
- $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
|
|
|
- $(build)=$(build-dir)
|
|
|
-%.ko: prepare scripts FORCE
|
|
|
- $(cmd_crmodverdir)
|
|
|
- $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
|
|
|
- $(build)=$(build-dir) $(@:.ko=.o)
|
|
|
- $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
|
|
|
-
|
|
|
-# FIXME Should go into a make.lib or something
|
|
|
-# ===========================================================================
|
|
|
-
|
|
|
-quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs)))
|
|
|
- cmd_rmdirs = rm -rf $(rm-dirs)
|
|
|
-
|
|
|
-quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files)))
|
|
|
- cmd_rmfiles = rm -f $(rm-files)
|
|
|
-
|
|
|
-# Run depmod only if we have System.map and depmod is executable
|
|
|
-quiet_cmd_depmod = DEPMOD $(KERNELRELEASE)
|
|
|
- cmd_depmod = $(CONFIG_SHELL) $(srctree)/scripts/depmod.sh $(DEPMOD) \
|
|
|
- $(KERNELRELEASE) "$(patsubst y,_,$(CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX))"
|
|
|
-
|
|
|
-# Create temporary dir for module support files
|
|
|
-# clean it up only when building all modules
|
|
|
-cmd_crmodverdir = $(Q)mkdir -p $(MODVERDIR) \
|
|
|
- $(if $(KBUILD_MODULES),; rm -f $(MODVERDIR)/*)
|
|
|
-
|
|
|
-# read all saved command lines
|
|
|
-
|
|
|
-targets := $(wildcard $(sort $(targets)))
|
|
|
-cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
|
|
|
-
|
|
|
-ifneq ($(cmd_files),)
|
|
|
- $(cmd_files): ; # Do not try to update included dependency files
|
|
|
- include $(cmd_files)
|
|
|
-endif
|
|
|
-
|
|
|
-endif # skip-makefile
|
|
|
-
|
|
|
-PHONY += FORCE
|
|
|
-FORCE:
|
|
|
-
|
|
|
-# Declare the contents of the .PHONY variable as phony. We keep that
|
|
|
-# information in a variable so we can use it in if_changed and friends.
|
|
|
-.PHONY: $(PHONY)
|
Jake Day